let new_game_btn_dom = document.getElementById('new_game_btn');
let record_modal_dom = document.getElementById('record_modal');
let input_nickname_modal_dom = document.getElementById('input_nickname_modal');
let submit_input_btn_dom = document.getElementById('submit_input_btn');
let nickname_input_dom = document.getElementById('nickname_input');
let message_box_dom = document.getElementById('message_box');
let message_content_dom = document.getElementById('message_content');
let load_game_btn_dom = document.getElementById('load_game_btn');
let nickname_dom = document.getElementById('nickname');
let game_page_dom = document.getElementById('game_page');
let canvas_dom = document.getElementById('canvas');
let wallet_view_dom = document.getElementById('wallet_view');
let score_view_dom = document.getElementById('score_view');
let time_view_dom = document.getElementById('time_view');
let setting_box_dom = document.getElementById('setting_box');
let setting_menu_dom = document.getElementById('setting_menu');
let launch_btn_dom = document.getElementById('launch_btn');
let build_btn_dom = document.getElementById('build_btn');
let game_over_page_dom = document.getElementById('game_over_page');
let game_status_loss_view_dom = document.getElementById('game_status_loss_view');
let game_status_win_view_dom = document.getElementById('game_status_win_view');
let end_game_btn_dom = document.getElementById('end_game_btn');
let play_again_btn_dom = document.getElementById('play_again_btn');
let next_level_btn_dom = document.getElementById('next_level_btn');
let game_info_score_view_dom = document.getElementById('game_info_score_view');
let game_info_wallet_view_dom = document.getElementById('game_info_wallet_view');
let rankings_list_dom = document.getElementById('rankings_list');
let ranking_list_item_template_dom = document.getElementById('ranking_list_item_template');
let records_list_dom = document.getElementById('records_list');
let record_list_item_template_dom = document.getElementById('record_list_item_template');
let save_game_btn_dom = document.getElementById('save_game_btn');
let setting_btn_dom = document.getElementById('setting_btn');
let setting_radio_dom = document.getElementById('setting_radio');